Tutsan, Sweet-amber, St. Johnswort

Hypericum androsaemum

Physical Characteristics

Hypericum androsaemum is a deciduous Shrub growing to 1 m (3ft 3in) by 1 m (3ft 3in) at a fast rate. See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from June to August, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very acid and very alkaline soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.

Distribution

Western and southern Europe, including Britain, south and east to Algeria, W. Asia and the Caucasus.

Habitats

Woodland Garden Dappled Shade; Shady Edge; Ground Cover; Hedgerow;

Edible Uses

None known

Medicinal Uses

Antiseptic Diuretic Stomachic Vulnerary The leaves are diuretic, stomachic and vulnerary[61, 186]. They have antiseptic properties and have been used to cover open wounds[245].

Known Hazards

None known